Home / 67,579.12-101,343.48-23,193.28

Finding the Fourth Proportional to 67,579.12, 101,343.48 and 23,193.28

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Solution

The fourth proportional to 67,579.12, 101,343.48 and 23,193.28 is: 34,781.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,579.12 : 101,343.48 = 23,193.28 : x
  2. Step 2: Convert to fraction form
    67,579.12/101,343.48 = 23,193.28/x
  3. Step 3: Cross multiply
    67,579.12x = 101,343.48 × 23,193.28
  4. Step 4: Simplify right side
    67,579.12x = 2,350,487,707.81
  5. Step 5: Solve for x
    x = 2,350,487,707.81/67,579.12
  6. Step 6: Final answer
    x = 34,781.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.